import datetime
import random


def get_order_id():
    d = datetime.datetime.now()

    s = 'SYL{year}{month}{day}{hour}{minute}{second}{randint}'.format(
        year=d.year,
        month=d.month,
        day=d.day,
        hour=d.hour,
        minute=d.minute,
        second=d.second,
        randint='%07d' % random.randint(0, 9999999)
    )
    return s
